He helped develop the jet-powered backpack that allowed him … “That may have been one … Bruce McCandless II (Capt, USN, Ret. He was 80. A block diagram of the system is shown below. Former astronaut Bruce McCandless II, famously captured in a 1984 photo documenting the first untethered flight in space, has died, NASA said. McCandless cam from a … He was 80. NASA astronaut Bruce McCandless II died on Thursday in California at age 80. He was the first astronaut to ever fly untethered to his spacecraft, traveling over 300 feet away. It was he who had first proposed the MMU, and then he was involved in the design, and in … Astronaut Bruce McCandless II took the first untethered walk in space on Feb 7, 1984, using the gas - jet propulsion device illustrated in the figure below. HOUSTON (AP) — NASA astronaut Bruce McCandless, the first person to fly freely and untethered in space, has died. McCandless died Thursday in … The controller in the device can be represented by a gain K2. Bruce McCandless II (June 8, 1937 – December 21, 2017) was a U.S. naval officer and aviator, electrical engineer, and NASA astronaut.In 1984, during the first of his two Space Shuttle missions, he made the first untethered free flight by using the Manned Maneuvering Unit ), NASA astronaut and veteran of two space shuttle missions, passed away yesterday at the age of 80. Assume that the input to the controller is the angle of its joystick. He was famously … He was 80. Former astronaut Bruce McCandless II, famously captured in a 1984 photo documenting the first untethered flight in space, NASA said. I asked McCandless how accurate the simulations had been. He was 80. HOUSTON — NASA astronaut Bruce McCandless, the first person to fly freely and untethered in space, has died. HOUSTON (AP) — NASA astronaut Bruce McCandless, the first person to fly freely and untethered in space, has died.He was 80. On Feb. 7, 1984, Bruce McCandless II became the first man to do something that likely would be terrifying for most anyone. News Bruce McCandless, First Astronaut To Fly Untethered In Space, Has Died. He was 80. The mission produced one of the most iconic photographs of the U.S. space program—an image of astronaut Bruce McCandless II high above Earth on the first untethered spacewalk.